Neisseria meningitidis serogroup W135 disease.
D001170:Arthritis, Infectious / Q000209:etiology*; D006801:Humans; D008585:Meningitis, Meningococcal / Q000209:etiology*; D008589:Meningococcal Infections; D009345:Neisseria meningitidis / Q000145:classification*; D012874:Skin Diseases, Infectious / Q000209:etiology*